Račićeva 2
10000 Zagreb


Ivan Kos

  • Head of Office - Croatia
  • Trademark Attorney
  • European Trademark and Design Attorney
+ 3851 457 2972
+ 385 1 46 21 086

Country Facts

Roman Catholic, Serbian Orthodox, Muslim

International Conventions

Paris Convention, WIPO, Madrid Agreement, Nice Agreement, Berne Convention (Copyright), Locarno Agreement (Industrial designs), Patent Cooperation Treaty (PCT), Patent Law Treaty (PLT), EPC (European Patents extendible to Croatia), Madrid Protocol, Rome Convention, Strasbourg Agreement, Budapest Treaty, Nairobi Treaty, Brussels Convention, Vienna Agreement, Phonograms Convention, Hague Agreement, UPOV Convention, Copyright Treaty, Trademark Law Treaty (TLT), WIPO Copyright Treaty (WCT), WIPO Performances and Phonograms Treaty (WPPT), WTO

Minimal Filing Requirements

Patent Applications

  • Applicant data
  • Name, address and occupation of the inventor
  • Priority application data
  • Patent specification and claims

Trade/Service Mark Applications

  • Applicant data
  • Priority application data
  • List of goods/services
  • At least one representation of the mark (in color if claimed)

Industrial Design Applications

  • Applicant data
  • Priority application data
  • At least one drawing or photograph of the claimed model or design


All other documents may be filed subsequently. Powers of attorney and declarations need not be legalized or notarized unless requested by the Patent and Trademark Office.

Some documents may require translation to Croatian.


  • Led from Croatia by Ivan Kos and aided by a pervasive presence throughout Eastern Europe, boutique firm PETOŠEVIĆ is well-positioned to advise domestic and international clients on their domestic and regional IP needs. Much of this work relates to trade mark prosecution and enforcement, an area in which Kos is particularly accomplished.

    Legal 500 EMEA, 2023
  • Pre-eminent one-stop IP shop PETOŠEVIĆ is home to a unit of 130 dedicated practitioners working across 16 offices throughout Eastern Europe. It provides clientele with a single point of contact, making it a popular option for brand owners with an international focus. Searches and filings are handled with care and the team are poised for contentious clashes.

    WTR 1000 Rankings, 2023
  • Led out of Croatia by Ivan Kos and aided by a pervasive presence throughout Eastern Europe, boutique firm PETOŠEVIĆ is well-placed to advise domestic and international clients on their domestic and regional IP needs.

    Legal 500 EMEA, 2022
  • The sweeping network of offices and foreign associates that PETOŠEVIĆ has cultivated makes it one of the CEE’s most prominent and reliable boutiques. The firm tends to the needs of a wide range of brand owners, protecting their assets to the hilt in a region which can be challenging to navigate.

    WTR 1000 Rankings, 2022
  • Led from Croatia by Ivan Kos and also able to leverage the expertise of lawyers based throughout the CEE, IP boutique PETOŠEVIĆ is particularly well-positioned to advise international clients on trade mark clearance, protection and enforcement, both domestically and throughout the region.

    Legal 500 EMEA, 2021
  • With boots on the ground in 17 countries and a finely cultivated network of foreign associates in a further 15, PETOŠEVIĆ serves brand owners across Eastern Europe and the Balkans with ease and efficiency. The Croatian ensemble is also a repository of trust for many international law firms seeking deep local insight in opposition proceedings and anti-counterfeiting mandates.

    WTR 1000 Rankings, 2021
  • Leveraging its network of offices throughout Eastern Europe, boutique IP firm PETOŠEVIĆ is best known for its patent and trade mark prosecution work for international corporates. Team head Ivan Kos is recommended.

    Legal 500 EMEA, 2020
  • Clients laud the team for its pan-European capabilities, with one source adding that this is "a one-stop shop for us." The firm acts for a wide range of multinational corporates who benefit from the firm's network of offices throughout the CEE region. Provides notable experience in trade mark prosecution and enforcement. Also well versed in anti-counterfeiting issues and customs enforcements.

    Chambers & Partners Europe, 2020
  • The growing team at international powerhouse PETOŠEVIĆ provides a seamless cross-border IP service, which encompasses Eastern Europe and the Balkans. “Having worked with a vast number of trademark attorneys around the world, I find that the services of PETOŠEVIĆ are exemplary in every respect,” enthuses one client.

    WTR 1000 Rankings, 2020
  • A client commends the team, noting that 'they are very responsive and able to handle everything promptly,' adding: “The quality of advice is very good and they’ve become a trusted adviser; we could not be happier with our experience with them".

    Chambers & Partners Europe, 2019
  • With 16 offices in Central and Eastern Europe, PETOŠEVIĆ has what it takes to support even the most trademark rich multinationals. Its commercially savvy attorneys in Zagreb give clients 24/7 care and ensure that work is completed on budget and on time, with no exceptions.

    WTR 1000 Rankings, 2019
  • Leveraging its network of offices across Eastern Europe, as well as receiving referral work from law firms in other regions, boutique IP firm PETOŠEVIĆ excels at handling trade mark and patent prosecution and enforcement matters.

    Legal 500 EMEA, 2019
  • IP boutique PETOŠEVIĆ provides an ‘effective and responsive service’ to clients seeking the protection and commercialisation of their IPR. As one of the core offices within the firm’s network spread throughout CEE, the Croatian team excels at handling trade mark and patent prosecution work for international clients. The team also regularly handles trade mark infringement and unfair competition cases.

    Legal 500 EMEA, 2018
  • Clients suggest the lawyers 'provide a clear and commercially focused point of view based on a solid understanding of the client's business,' adding: "They deliver high-quality legal work in the IP sphere in the Balkan region."

    Chambers & Partners Europe, 2018
  • PETOŠEVIĆ’s “excellent” Croatian team has extensive experience before the EU Intellectual Property Office, which it utilised recently to help the ice cream and frozen food producer Ledo win an opposition against an EU trademark filed by Nappo & Moritz.

    WTR 1000 Rankings, 2018
  • Specialist IP firm PETOŠEVIĆ has a strong reputation in the domestic market, and more widely in Eastern Europe and the CIS, for its work on patent and trade mark enforcement and prosecution.

    Legal 500 EMEA, 2017
  • Extensive experience acting for an impressive roster of multinational businesses. Specialist expertise in patent and trade mark prosecution and enforcement matters. Also particularly adept in the enforcement of IP rights through customs actions.

    Chambers & Partners Europe, 2017
  • The resource-rich PETOŠEVIĆ effortlessly covers the full trademark spectrum and beyond, providing incisive counsel on everything from filing to infringement and brand monetisation. With 120 personnel operating across 15 jurisdictions, it has an impressive network which the Zagreb team can tap into at will, making it a favourite among international companies with interests in Central and Eastern Europe.

    WTR 1000 Rankings, 2017
  • Broad regional network of dedicated IP offices offering high levels of expertise in trade mark and patent protection as well as customs enforcements and domain name issues. Acts as local counsel for international law firms on patent and trade mark prosecutions in Croatia.

    Chambers & Partners Europe, 2016
  • Petoševic’s IP practice displays an ‘excellent understanding of trade mark law’.

    Legal 500 EMEA, 2016
  • Renowned for its adept handling of prosecution for international clients, PETOŠEVIĆ is a lambent star in the Croatian sky – thanks in no small part to its constellation of 14 further offices across Central and Eastern Europe. More recently, it has also become a common sight in the enforcement arena.

    WTR 1000 Rankings, 2016